[cyberdrunk]

> This is what happened with the United States hundreds of years ago.

United States started with a bloody revolution in order to secede from Britain.

To get some territory for your country, you'd either need a revolution in an existing country or perhaps create an artificial island somewhere in international waters (or a base in space). I don't see any other options.

[stOneskull]

"An attempt to create a sovereign state on an offshore platform in international waters near the Italian city of Rimini. It was completed, but shortly afterward seized by the Italian government and destroyed with explosives." :/

https://en.wikipedia.org/wiki/Republic_of_Rose_Island